Clarify internal punctuation in citation keys. (#7491)

Addresses a comment in #5458.
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William Lupton 2021-08-11 19:12:45 +01:00 committed by GitHub
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@ -1932,7 +1932,7 @@ ${ styles.html() }
```
(If a partial is not found in the directory of the
template and the template path is given as a relative
template and the template path is given as a relative
path, it will also be sought in the `templates`
subdirectory of the user data directory.)
@ -4984,13 +4984,16 @@ See the [CSL user documentation] for more information about CSL
styles and how they affect rendering.
Unless a citation key start with a letter, digit, or `_`,
and contains only alphanumerics and internal punctuation
and contains only alphanumerics and single internal punctuation
characters (`:.#$%&-+?<>~/`), it must be surrounded
by curly braces, which are not considered part of the key.
In `@Foo_bar.baz.`, the key is `Foo_bar.baz`. The final
In `@Foo_bar.baz.`, the key is `Foo_bar.baz` because the final
period is not *internal* punctuation, so it is not included in
the key. In `@{Foo_bar.baz.}`, the key is `Foo_bar.baz.`, including
the final period. The curly braces are recommended if you use URLs as
the final period.
In `@Foo_bar--baz`, the key is `Foo_bar` because the repeated internal
punctuation characters terminate the key.
The curly braces are recommended if you use URLs as
keys: `[@{https://example.com/bib?name=foobar&date=2000}, p. 33]`.
Citation items may optionally include a prefix, a locator, and
@ -6086,7 +6089,7 @@ The following fields are recognized:
`rights`
~ A string value.
`belongs-to-collection`
~ A string value. identifies the name of a collection to which
the EPUB Publication belongs.